Grub boot menu gone

[BluishHumility]

In this post, reinstalling grub via chroot is described as a solution:

Grub fails after update

Last update brought in a grub update but now Garuda linux is not a option all chain loaded de are fine and boot the only way to boot is to go into snapshots, this is on both btrfs and ext4. setups.

Edit: sorry, I re-read your post and I see you already mentioned you tried that.